Nano

SKKU Advanced Institute of Nano Technology (성균관대학교 성균나노과학기술원)
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Eu3+/Tb3+Co-Doped Cerium Oxide Transparent Nanocomposite for Color-Tunable Emission

  • Li, Xiaoyan (College of Physics and Energy, Fujian Normal University) ;
  • Yu, Yunlong (Organic Optoelectronics Engineering Research Center of Fujian's Universities College of Electronics and Information Science Fujian Jiangxia University) ;
  • Guan, Xiangfeng (Organic Optoelectronics Engineering Research Center of Fujian's Universities College of Electronics and Information Science Fujian Jiangxia University) ;
  • Luo, Peihui (Organic Optoelectronics Engineering Research Center of Fujian's Universities College of Electronics and Information Science Fujian Jiangxia University) ;
  • Jiang, Linqin (Organic Optoelectronics Engineering Research Center of Fujian's Universities College of Electronics and Information Science Fujian Jiangxia University) ;
  • Zheng, Zhiqiang (College of Physics and Energy, Fujian Normal University) ;
  • Chen, Dagui (Organic Optoelectronics Engineering Research Center of Fujian's Universities College of Electronics and Information Science Fujian Jiangxia University)
  • Received : 2018.07.21
  • Accepted : 2018.09.06
  • Published : 2018.10.31
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Abstract

$Eu^{3+}/Tb^{3+}$ co-doped nanocomposite containing $CeO_2$ nanocrystals was successfully prepared by an in situ sol-gel polymerization approach. High-resolution transmission electron microscopy demonstrated the homogeneous precipitation of $CeO_2$ nanocrystals among the polymethylmethacrylate (PMMA) matrix. The thermal stability and UV-shielding capability of the obtained nanocomposite were improved with increase of $CeO_2$ content. The tuning of the emissive color from green and yellow to red can be easily achieved by varying the dopant species and concentration. These results suggested that the obtained nanocomposite could be potentially applicable in transparent solid-state luminescent devices.

Keywords

Acknowledgement

Supported by : National Natural Science Foundation of China, Natural Science Foundation of Fujian Province, Fujian Education Department

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